CVE-2026-2203 HIGH

CVE-2026-2203: Tenda AC8 Embedded Httpd Service fast_setting_wifi_set buffer overflow

Vendor Tenda
Product AC8
Weakness CWE-120
Published February 9, 2026
Last update February 23, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in Tenda AC8 16.03.33.05. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set of the component Embedded Httpd Service. This manipulation of the argument timeZone causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Key dates

02Disclosure timeline

February 9, 2026 CVE published
February 23, 2026 Record updated